Finding the Fourth Proportional to 930,000.08, 1,283,785.80 and 628,602.32
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Solution
The fourth proportional to 930,000.08, 1,283,785.80 and 628,602.32 is: 867,731.90
Step by Step Solution
- Step 1: Write the proportion equation
930,000.08 : 1,283,785.80 = 628,602.32 : x - Step 2: Convert to fraction form
930,000.08/1,283,785.80 = 628,602.32/x - Step 3: Cross multiply
930,000.08x = 1,283,785.80 × 628,602.32 - Step 4: Simplify right side
930,000.08x = 806,990,732,263.06 - Step 5: Solve for x
x = 806,990,732,263.06/930,000.08 - Step 6: Final answer
x = 867,731.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.